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    First time in the shop working on back to back days in probably over 2 months

    I have several different height stools by the work bench. I spend most of the time on one or another!
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    Valve Spring Estimated Delivery

    I have had good experiences with Isky springs. 3105 I believe is what I used on small blocks.
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    1974 340?

    You can pick up a pair of calibers that work well at Harbor Freight or similar place for a very low investment compared to a set of Mics. I always bring then parts hunting! They have saved me numerous blunders!
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    1974 340?

    Did you measure the bore?
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    Are 340’s rare

    As a lot of you gentleman know, I race all the small blocks in Stock/SS. The 318 has smaller main caps and unless you replace them (Pricey), I have broken several when much over 400HP in a drag racing application. The 340 Heads flow better than the 360 Heads unless you spend a lot on money on...
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    Coolant in cylinder 8 on 318

    Possible cracked Cylinder Wall = Unfortunately. Often visually hard to see on a new engine.
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    Big Valve X Heads on Low Comp 72 340

    Thanks for the Kind Words. I could never even hope to be a thousand of the witness that Paul was. Even thou he was a fabulous witness he said = "My righteousness is just like filthy rags". Except for the Blood of Jesus my plight would be absolutely hopeless. Son of David = Have mercy on your...
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    Big Valve X Heads on Low Comp 72 340

    The X heads are 894 number. They do flow a bit better stock and chambers are bit better aligned to block. However, on a stock low compression 340 you will never feel the difference in performance. I have done extensive research and testing on these different heads for 50 years. If you gained...
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    6 pack style air cleaner for 4 bbl

    I will do that when I get back from MATS and Winternationals in a couple weeks. In the mead time you can search For Sale ads on this site a year ago or two. It was advertised for $650.00 there
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    6 pack style air cleaner for 4 bbl

    I have a 69 383 Air grabber top and bottom. Nice shape even Coyote duster Decal is nice. $595.00
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    Shuebeck lifters?

    They made solid lifters. They are out of business for several years. You can shim any of them to make the lifters solid easily. I run them as shorten travel Hydraulics. I never run them as solids = they have any clearance and the bottoms have shattered and have turned $20,000+ engines into junk...
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    340 six pack carbs will this work? 440/340 combo

    You will be fine without a distribution tab in carb.
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    Sonic checking my 71 360 block

    That is correct. Look for block with first two number 34 or 36 NOT 40
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    J Head with no casting numbers.

    I FOUND A PAIR OF 915 HEADS IN THE SHOP TODAY WITH " Z " INSTEAD OF " J " CAST INTO THEM. weird!
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    Valve Spring Pressure Loss After Break-In

    I ran Isky Springs on our 340 Stockers (#3105) for several decades. If the quality is still the same = I set them at 165 on the seat and seldom saw them below 158 to 160 when I freshened them up after 50 runs.
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    Sonic checking my 71 360 block

    That has not been my experience.
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    Any gains adding 1.6 rockers to stock 273?

    In my experience the best bang for the buck is usually putting a stock 4 Brl. Carb and intake on a 2 Brl. equipped engine given the engine is in good shape.
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    Question for those who have used Speedmaster assembled heads or valve springs

    My Superstock 340 has 300+ on the seat. Mechanical Roller
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    Question for those who have used Speedmaster assembled heads or valve springs

    CWC is a very high grade/quality of Cast Iron cam core. I doubt the Chinese ever heard of it or give a ****. It should be stamped into the camshaft to identify it.
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    A couple reasons why I hate doing port work after others

    290 to 300 @ 600 lift? Just a wild guess!
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    Question for those who have used Speedmaster assembled heads or valve springs

    I run at least 140 lbs on my Street Cars that have solids and 350 lbs open with no issues for the last 60 years. More on my Race Cars than that. However, I do NOT let my car idle for any extended period of time ever = Just shut them off if more than a minute or two. However, I use quality CWC...
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    A couple reasons why I hate doing port work after others

    I am Done working on other people's stuff!! If they bring it to my shop, I will fix it for free if I can do it in less than an hour for no charge given they leave it for a few days until I can find the time. Beyond that, I will give them my opinion, but I will not put my hands on it! If they...
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    318 Main Bearing replacement difference.

    We run fully grooved bearings in everything AND WE run them extremely Hard! Over 8000+ in our Superstockers when required.
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    J Head with no casting numbers.

    No he advertised for J heads last month or two on here. The heads are identical ( I have seen a lot of them ) but he was worried the one without the numberswas not the same = But they were identical of course. I want him to be satisfied so I will replace it and make the trip. Thanks for the...
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    J Head with no casting numbers.

    These have the "360" cast on the top.. I sent the man who bought the pair his money back and will make another trip to San Diego to bring him another one. I should have paid more attention to them and I would have saved a trip.
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    J Head with no casting numbers.

    I Had a matching pair of 915 J heads off the same engine. Both have the "J" down by the spart plug holes but one has no casting number on it either on the top or bottom of the head. I was never cast into the head but the area where the casting would be is blank and never had a casting number in...
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    Hydraulic Flat Tappet Camshafts, LA blocks

    I use NOS Johnson Hyd. lifter from the last century and cast billets from the same period. I try to find cams that are stamped "CWC" on they as they are superior cast iron in my opinion and have never failed me.
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    273 upgrade to 4bbl?

    No Sir but we had four Stock/SS cars at the World finals. Maybe next year we will get there again if my 75 year old health permits. My son has a pair of one year old twins that were Premature and just could not find time to get away from them. Last time we went we smoked the Z28/Mustang...
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    273 upgrade to 4bbl?

    The factory put the large port four barrel manifold on the small head 318 engines from 78 up. It worked OK although not totally optimal. It is that particular set up on my 318 Stock Eliminator Aspen O/SA Wagon that set the National Record in the 11s and I would not worry about it very much on a...
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    Aluminum Heads

    A stock 340 camshaft would be a pretty good upgrade for your 318 and the are nearly giveaways sometimes.
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